Patents by Inventor Yoshinaka Nakamura

Yoshinaka Nakamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5954579
    Abstract: A female screw portion is formed around an axis of a rotor of a step motor to penetrate through the rotor in an axial direction of the rotor. A male screw portion is formed on an outer peripheral surface of a screw shaft so that the screw shaft is screwed into the female screw portion. The screw shaft is inserted in a ring rod, and a connection clip portion is connected to the ring rod. When the rotor rotates, the ring rod reciprocates linearly in the axial direction of the rotor, and vertical fins rock in the axial direction of the rotor.
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: September 21, 1999
    Assignees: Denso Corporation of Kariya, Tokai Riki Mfg. Co. Ltd.
    Inventors: Toshihide Masui, Toshio Tsuboko, Yoshinaka Nakamura, Hiroaki Kodama, Fumihisa Ichioka, Takumi Miyaki, Ikuma Harada